弹性支撑双稳压电悬臂梁振动响应及能量采集研究

高毓璣; 冷永刚; 范胜波; 赖志慧

doi:10.7498/aps.63.090501

摘要

在分析了常规刚性支撑非线性能量采集系统的研究基础上，提出外部磁铁弹性支撑的结构设想，保证系统在低强度激励条件下也能处于双稳态振荡，提高机电能量转换效率. 研究表明，对于强度变化的随机激励历程，弹性支撑非线性能量采集系统不需要实时调整磁铁间距，能够更好地迎合强度时刻变化的随机激励源，实现高效的机电能量转换.

关键词:

Based on the results of study on conventional rigid support nonlinear energy harvesters, in this paper, we conceive a kind of structure with an elastic-supported external magnet, for keeping the system in a state of bistable oscillation due to low-intensity excitations. Thus, an efficient electromechanical energy conversion can be accomplished. Studies show that the elastic-supported nonlinear energy harvesting systems do not need real-time adjustment of magnet spacings to meet varying-intensity random excitation vibrations. This structure helps to better satisfy the variable-intensity random excitation source, consequently it achieves efficiently electromechanical energy conversion.

Keywords:

作者及机构信息

1.
天津大学机械工程学院, 天津 300072;

2.
天津大学机构理论与装备设计教育部重点实验室, 天津 300072

基金项目: 国家自然科学基金（批准号：51275336）和高等学校博士学科点专项科研基金（批准号：20120032110001）资助的课题.

Authors and contacts

1.
School of Mechanical Engineering, Tianjin University, Tianjin 300072, China;

2.
Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, Tianjin University, Tianjin 300072, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 51275336), and the Specialized Research Fund for the Doctoral Program of High Education of China (Grant No. 20120032110001).

参考文献

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[5]	Dong L 2007 MS Thesis (Shanghai: Shanghai Jiaotong University) (in Chinese) [董璐 2007 硕士学位论文(上海: 上海交通大学)]
[6]	Anton S R, Sodano H A 2007 Smart Mater. Struct. 16 R1
[7]	Lu Y W, Shan X B, Yuan J B, Xie T 2010 Machinery Design & Manufacture 5 118 (in Chinese) [卢有为, 单小彪, 袁江波, 谢涛 2010 机械设计与制造 5 118]
[8]	Kim S 2002 Doctor of Philosophy (Pittsburgh: University of Pittsburgh)
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[12]	Ajitsaria J, Choe S Y, Shen D, Kim D J 2007 Smart Mater. Struct. 16 447
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[14]	Chen Z S, Yang Y M 2011 Acta Phys. Sin. 60 074301 (in Chinese) [陈仲生, 杨拥民 2011 60 074301]
[15]	Ferrari M, Baú M, Guizzetti M, Ferrari V 2011 Sensors and Actuators A 172 287
[16]	Priya S, Inman D J (translated by Huang J Q, Huang Q A) 2010 Energy harvesting technologies (Nanjing: Dongnan University Press) (in Chinese) [(印)沙山克·普利亚, (美)丹尼尔· 茵曼著(黄见秋, 黄庆安译) 2010 能量收集技术(南京:东南大学出版社)]
[17]	Roundy S, Wright P K, Rabaey J 2003 Computer Communications. 26 1131
[18]	DuToit N E, Wardle B L 2005 Integrated Ferroelectrics. 45 1126
[19]	Roundy S, Wright P K 2004 Smart Mater Struct 13 1131
[20]	Leng Y G, Leng Y S, Wang T Y 2006 Journal of Sound and Vibration 292 788
[21]	Leng Y G, Wang T Y 2007 Mechanical Systems and Signal Processing 21 138
[22]	Leng Y G, 2011 Acta Phys. Sin. 60 020503 (in Chinese) [冷永刚 2011 60 020503]
[23]	Qiu H C, Dara F, Wu X Z, Helmet S 2014 Chin. Phys. B 23 027701
[24]	Gu Y, Li Q, Xu B J, Zhao Z 2014 Chin. Phys. B 23 017804

施引文献

[1]	Roundy S J 2003 Doctor of Philosophy (Berkeley: University of California)
[2]	Sun J, Li Y G, Liu J Q, Yang C S, He D N 2009 Micronanoelectronic Technology 46 673 (in Chinese) [孙健, 李以贵, 刘景全, 杨春生, 何丹农 2009 微纳电子技术 46 673]
[3]	Mateu L, Moll F 2005 Proceedings of the SPIE-The International Society for the Optical Engineering Seville, Spain, June, 2005 p359
[4]	Paradiso J A, Starner T 2005 IEEE Pervasive Computing Hawaii, USA March 8-12, 2005 p18
[5]	Dong L 2007 MS Thesis (Shanghai: Shanghai Jiaotong University) (in Chinese) [董璐 2007 硕士学位论文(上海: 上海交通大学)]
[6]	Anton S R, Sodano H A 2007 Smart Mater. Struct. 16 R1
[7]	Lu Y W, Shan X B, Yuan J B, Xie T 2010 Machinery Design & Manufacture 5 118 (in Chinese) [卢有为, 单小彪, 袁江波, 谢涛 2010 机械设计与制造 5 118]
[8]	Kim S 2002 Doctor of Philosophy (Pittsburgh: University of Pittsburgh)
[9]	Wang Z P, Liu J B, Jiang N, Li B 2010 Piezoelectrics & Acoustooptics 32 763 (in Chinese) [王治平, 刘俊标, 姜楠, 李博 2010 压电与声光 32 763]
[10]	Liu B Z, Peng J H 2010 Nonlinear Dynamics (Beijing: Higher Education Press) pp1-6 (in Chinese) [刘秉正, 彭建华 2010 非线性动力学(北京:高等教育出版社)第1–6页]
[11]	Cottone F, Vocca H, Gammaitoni L 2009 Physical Review Letters 102 080601
[12]	Ajitsaria J, Choe S Y, Shen D, Kim D J 2007 Smart Mater. Struct. 16 447
[13]	Guyomar D, Badel A, Lefeuvre E, Richard C 2005 IEEE Trans on Ultrasonics, Ferroelectrics and Frequency Control April, 2005 p584
[14]	Chen Z S, Yang Y M 2011 Acta Phys. Sin. 60 074301 (in Chinese) [陈仲生, 杨拥民 2011 60 074301]
[15]	Ferrari M, Baú M, Guizzetti M, Ferrari V 2011 Sensors and Actuators A 172 287
[16]	Priya S, Inman D J (translated by Huang J Q, Huang Q A) 2010 Energy harvesting technologies (Nanjing: Dongnan University Press) (in Chinese) [(印)沙山克·普利亚, (美)丹尼尔· 茵曼著(黄见秋, 黄庆安译) 2010 能量收集技术(南京:东南大学出版社)]
[17]	Roundy S, Wright P K, Rabaey J 2003 Computer Communications. 26 1131
[18]	DuToit N E, Wardle B L 2005 Integrated Ferroelectrics. 45 1126
[19]	Roundy S, Wright P K 2004 Smart Mater Struct 13 1131
[20]	Leng Y G, Leng Y S, Wang T Y 2006 Journal of Sound and Vibration 292 788
[21]	Leng Y G, Wang T Y 2007 Mechanical Systems and Signal Processing 21 138
[22]	Leng Y G, 2011 Acta Phys. Sin. 60 020503 (in Chinese) [冷永刚 2011 60 020503]
[23]	Qiu H C, Dara F, Wu X Z, Helmet S 2014 Chin. Phys. B 23 027701
[24]	Gu Y, Li Q, Xu B J, Zhao Z 2014 Chin. Phys. B 23 017804

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